vendor
Risynth Bio
login requiredQuality flag — independent verification recommended
Independent customer reports on r/Peptide_Testing (Sept 2025) allege empty vials despite published lab purity. Independent purchase verification recommended before relying on this vendor.
peptidegrade.org is not currently surfacing a direct store link for this vendor. Review the underlying community discussion before purchasing.
- Reputation
- 91/100
- Peptides tested
- 2
Peptides tested by finnrick
| Peptide | Grade | Score | Tests | Last tested |
|---|---|---|---|---|
| Tirzepatide Great | A | 9.5 | 4 | 2025-09-04 |
| Retatrutide Great | A | 8.6 | 4 | 2025-09-04 |